CN216086337U - Bolt-free bearing pressure plate assembly - Google Patents
Bolt-free bearing pressure plate assembly Download PDFInfo
- Publication number
- CN216086337U CN216086337U CN202122274450.8U CN202122274450U CN216086337U CN 216086337 U CN216086337 U CN 216086337U CN 202122274450 U CN202122274450 U CN 202122274450U CN 216086337 U CN216086337 U CN 216086337U
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- bearing
- pressing plate
- annular structure
- installation
- guide groove
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- 238000009434 installation Methods 0.000 claims abstract description 44
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 33
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a bolt-free bearing plate assembly which comprises a bearing pressing plate, wherein a bearing chamber for mounting a bearing is protruded on the inner wall of a motor end cover, at least one reinforcing column is arranged on the protruded end surface of the bearing chamber, the bearing pressing plate is of an annular structure, the end surface of the annular structure is in contact with the protruded end surface of the bearing chamber to form a cavity for mounting the bearing, mounting clamping keys are arranged on the annular structure in a matching mode corresponding to the number of the reinforcing columns, a guide groove is formed between each reinforcing column and the protruded end surface, the thickness of each mounting clamping key is larger than the width of the guide groove, and the mounting clamping keys are fixed with the guide grooves in a friction fit mode. The bearing outer ring fixing device is reasonable in structural design, screws are not needed in the installation and fixing process, the bearing outer ring can be quickly and reliably fastened through rotation of the bearing pressing plate, the bearing is axially positioned, and the bearing outer ring fixing device is high in reliability and low in cost.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a bolt-free bearing plate assembly.
Background
At present, between the bearing pressure plate and the end cover of the traditional motor, usually, screws are used for fixing, the matching and assembling process consumes long time, and the screws have the hidden trouble of falling. When the bearing pressure plate is connected with the end cover by using the screws, in order to prevent the screws from falling off, the anti-loosening screws can be selected, the anti-loosening screws are high in cost, and the process is more complex. Accordingly, a retainer ring for the bore may be used to fix the bearing, but this assembly process is difficult and requires a lot of time. In addition, part of motor products have the restriction to the space, and there is the difficulty in the installation of built-in screw, can adopt external screw fixed clamp plate, but bearing clamp plate area is less, and external screw is fixed, then has the not firm risk of crimping, and the reliability is poor, has the hidden danger, uses external screw to have the operation inconvenience moreover, influences pleasing to the eye problem. Therefore, how to design the fixing structure of the bearing pressure plate and the end cover becomes the key point of the design.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to overcome the defects of the prior art, the utility model provides the bolt-free bearing plate assembly which has reasonable structural design and convenient and fast installation, can quickly and reliably fasten the outer ring of the bearing and axially position the bearing.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a bolt-free bearing plate assembly is installed between a motor end cover and a rotor assembly and comprises a bearing pressing plate, wherein a bearing chamber for bearing installation is formed in the inner wall of the motor end cover in a protruding mode, at least one reinforcing column is arranged on the protruding end face of the bearing chamber, the bearing pressing plate is of an annular structure, the end face of the annular structure is in contact with the protruding end face of the bearing chamber to form a cavity for bearing installation, the inner diameter of the annular structure is smaller than the outer diameter of a bearing, the outer diameter of the annular structure is matched with the outer diameter of the position, corresponding to the reinforcing column, of the bearing chamber, an installation clamping key is arranged in a matched mode in the number corresponding to the reinforcing column, a guide groove is formed between the reinforcing column and the protruding end face, the thickness of the installation clamping key is larger than the width of the guide groove, and the installation clamping key is fixed with the guide groove in a friction fit mode.
In the above scheme, the structure of the bearing pressing plate is ingeniously designed, the bearing pressing plate and the bearing chamber form a cavity for the bearing to be placed into and installed, the bearing pressing plate enables the installation clamping key and the reinforcing column to be in friction fit through radial rotation, the axial pressing plate is fixed in position, and the installation process is convenient and rapid.
Furthermore, in order to facilitate the installation of the clamping key and the reinforcing column in a matching manner, the end part of the installation clamping key of the bearing pressing plate, which is spliced with the guide groove, is provided with a guide slope surface.
Preferably, the installation clamping keys and the reinforcing columns are in friction fit, so that in order to avoid excessive rotation after the installation clamping keys and the reinforcing columns are rotationally fixed in place, four reinforcing columns are arranged on the bearing chamber, the bearing pressing plate is provided with four installation clamping keys, the rear ends of any two installation clamping keys corresponding to the plugging direction are provided with limiting blocking strips, the limiting blocking strips are of strip structures of annular structures extending outwards in the radial direction, and the limiting blocking strips are in compression joint with the corresponding reinforcing columns after the bearing pressing plate and the motor end cover are assembled. The sliding tooth unlocking generated by the rotation transition of the bearing pressing plate can be effectively prevented through the limiting barrier strips.
The bolt-free bearing plate assembly has the advantages that the bolt-free bearing plate assembly is reasonable in structural design, screws are not needed in the installation and fixation process, the fastening of the outer ring of the bearing can be quickly and reliably realized through the rotation of the bearing pressing plate, the bearing is axially positioned, the reliability is high, and the cost is low.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a bearing pressure plate in the preferred embodiment of the utility model.
Fig. 3 is a schematic structural diagram of a motor end cover in a preferred embodiment of the utility model.
In the figure, the motor end cover 1, the motor end cover 2, the bearing pressure plate 3, the bearing chamber 4, the reinforcing column 5, the installation clamping key 6, the guide groove 7, the guide slope 8 and the limiting barrier strip.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
A boltless bearing press plate assembly, shown in fig. 1, is the preferred embodiment of the present invention, and is installed between the motor end cap 1 and the rotor assembly.
The bearing pressing plate assembly comprises a bearing pressing plate 2, a bearing chamber 3 for bearing installation is protruded on the inner wall of a motor end cover 1, the protruding end face of the bearing chamber 3 is provided with four reinforcing columns 4, the bearing pressing plate 2 is of an annular structure, the end face of the annular structure is in contact with the protruding end face of the bearing chamber 3 to form a cavity for bearing installation, the inner diameter of the annular structure is smaller than the outer diameter of a bearing, the outer diameter of the annular structure is matched with the outer diameter of the bearing chamber 3 corresponding to the reinforcing columns 4, the annular structure corresponds to the reinforcing columns 4 in a matched mode and is provided with four installation clamping keys 5, a guide groove 6 is formed between each reinforcing column 4 and the protruding end face, the thickness of each installation clamping key 5 is larger than the width of the guide groove 6, and the installation clamping keys 5 are fixed with the guide groove 6 in a friction fit mode.
In order to facilitate the installation of the installation clamping key 5 and the reinforcing column 4 in a matching manner, the end part of the installation clamping key 5 of the bearing pressing plate 2, which is spliced with the guide groove 6, is provided with a guide slope surface 7. Through the setting of the slope surface 7, when the installation clamping key 5 enters the guide groove 6 of the reinforcing column 4, the effective guide can be realized, and the bearing pressing plate 2 can be conveniently screwed in.
Meanwhile, as the installation clamping keys 5 are in friction fit with the reinforcing columns 4, in order to avoid excessive rotation after the rotation is fixed in place, the bearing chamber 3 is provided with the four reinforcing columns 4, the bearing pressing plate 2 is provided with the four installation clamping keys 5, and one reinforcing column 4 is matched with the installation clamping keys 5 one by one and is annularly and uniformly distributed. Wherein the rear end that two symmetrical installation card keys 5 correspond the grafting direction has spacing blend stop 8, and spacing blend stop 8 is the radial outwardly extending's of loop configuration strip structure, and spacing blend stop 8 is assembled back and is corresponded 4 crimping of enhancement post at bearing clamp plate 2 and motor end cover 1. The sliding tooth unlocking generated by the rotation transition of the bearing pressing plate 2 can be effectively prevented through the limiting barrier strip 8.
During installation, the bearing pressing plate 2 is sleeved on the rotor assembly in an sleeved mode and corresponds to a press-fitting bearing, the bearing is placed in the cavity after the press-fitting is completed, then the bearing pressing plate 2 is placed on the protruding end face of the bearing chamber 3, the installation clamping key 5 corresponds to the reinforcing column 4, then the bearing plate 2 is rotated, the installation clamping key 5 is screwed into the guide groove 6 under the guide of the guide slope 7 until the limiting barrier strip 8 is in compression joint with the corresponding reinforcing column 4, and the axial positioning of the bearing is completed. The reinforcing column 4 is in the installation card key 5 screw in-process, takes place small deformation and makes the grooved surface of guide way 6 and the inseparable crimping in installation card key 5 surface through deformation, fixes through frictional force, avoids taking place the condition that drops at motor transportation, operation in-process. In the process, proper materials, the thickness of the installation clamping key 5 and the groove width of the guide groove 6 are selected according to the practical use of the motor, and the bearing pressing plate 2 can be screwed in and can be effectively fixed by friction force after being screwed in.
The bolt-free bearing plate assembly is reasonably designed, and the bearing pressing plate 2 and the bearing chamber 3 form a cavity for placing and mounting a bearing. The installation fixing process does not need to use screws, the bearing pressing plate 2 enables the installation clamping key 5 to be in friction fit with the reinforcing column 4 through radial rotation, fastening of the outer ring of the bearing can be quickly and reliably achieved, the bearing is axially positioned, reliability is high, and cost is low.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a no bolt type bearing plate subassembly installs between motor end cover (1) and rotor subassembly, its characterized in that: the motor end cover structure comprises a bearing pressing plate (2), a bearing chamber (3) for bearing installation is protruded on the inner wall of the motor end cover (1), at least one reinforcing column (4) is arranged on the protruded end face of the bearing chamber (3), the bearing pressing plate (2) is of an annular structure, the inner diameter of the annular structure is smaller than the outer diameter of a bearing, the outer diameter of the annular structure is matched with the outer diameter of the bearing chamber (3) corresponding to the reinforcing column (4), the end face of the annular structure is in contact with the protruded end face of the bearing chamber (3) to form a cavity for bearing installation, the annular structure is matched with the reinforcing columns (4) in number to form installation clamping keys (5), a guide groove (6) is formed between the reinforcing column (4) and the protruded end face, the thickness of the installation clamping keys (5) is larger than the groove width of the guide groove (6), and the installation clamping keys (5) are fixed with the guide groove (6) in a friction fit mode.
2. A boltless bearing plate assembly in accordance with claim 1 wherein: the end part of the installation clamping key (5) of the bearing pressing plate (2) inserted into the guide groove (6) is provided with a guide slope surface (7).
3. A boltless bearing plate assembly in accordance with claim 1 wherein: the bearing chamber (3) is provided with four reinforcing columns (4), the bearing pressing plate is provided with four mounting clamping keys (5), the rear ends of any two mounting clamping keys (5) corresponding to the inserting direction are provided with limiting blocking strips (8), the limiting blocking strips (8) are of strip structures of annular structures and extend outwards in the radial direction, and the limiting blocking strips (8) are connected with the corresponding reinforcing columns (4) in a pressing mode after the bearing pressing plate (2) and the motor end cover (1) are assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274450.8U CN216086337U (en) | 2021-09-18 | 2021-09-18 | Bolt-free bearing pressure plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274450.8U CN216086337U (en) | 2021-09-18 | 2021-09-18 | Bolt-free bearing pressure plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216086337U true CN216086337U (en) | 2022-03-18 |
Family
ID=80677473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122274450.8U Active CN216086337U (en) | 2021-09-18 | 2021-09-18 | Bolt-free bearing pressure plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216086337U (en) |
-
2021
- 2021-09-18 CN CN202122274450.8U patent/CN216086337U/en active Active
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